/**
 * 通用js方法封装处理
 * Copyright (c) 2019 ruoyi
 */

// 日期格式化
export function parseTime(time, pattern) {
    if (arguments.length === 0 || !time) {
        return null
    }
    const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
    let date
    if (typeof time === 'object') {
        date = time
    } else {
        if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
            time = parseInt(time)
        } else if (typeof time === 'string') {
            time = time.replace(new RegExp(/-/gm), '/').replace('T', ' ').replace(new RegExp(/\.[\d]{3}/gm), '');
        }
        if ((typeof time === 'number') && (time.toString().length === 10)) {
            time = time * 1000
        }
        date = new Date(time)
    }
    const formatObj = {
        y: date.getFullYear(),
        m: date.getMonth() + 1,
        d: date.getDate(),
        h: date.getHours(),
        i: date.getMinutes(),
        s: date.getSeconds(),
        a: date.getDay()
    }
    const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
        let value = formatObj[key]
            // Note: getDay() returns 0 on Sunday
        if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
        if (result.length > 0 && value < 10) {
            value = '0' + value
        }
        return value || 0
    })
    return time_str
}

// 表单重置
export function resetForm(refName) {
    if (this.$refs[refName]) {
        this.$refs[refName].resetFields();
    }
}

// 添加日期范围
export function addDateRange(params, dateRange, propName) {
    let search = params;
    search.params = typeof(search.params) === 'object' && search.params !== null && !Array.isArray(search.params) ? search.params : {};
    dateRange = Array.isArray(dateRange) ? dateRange : [];
    if (typeof(propName) === 'undefined') {
        search.params['beginTime'] = dateRange[0];
        search.params['endTime'] = dateRange[1];
    } else {
        search.params['begin' + propName] = dateRange[0];
        search.params['end' + propName] = dateRange[1];
    }
    return search;
}

// 回显数据字典
export function selectDictLabel(datas, value) {
    var actions = [];
    Object.keys(datas).some((key) => {
        if (datas[key].value == ('' + value)) {
            actions.push(datas[key].label);
            return true;
        }
    })
    return actions.join('');
}

// 回显数据字典（字符串数组）
export function selectDictLabels(datas, value, separator) {
    var actions = [];
    var currentSeparator = undefined === separator ? "," : separator;
    var temp = value.split(currentSeparator);
    Object.keys(value.split(currentSeparator)).some((val) => {
        Object.keys(datas).some((key) => {
            if (datas[key].value == ('' + temp[val])) {
                actions.push(datas[key].label + currentSeparator);
            }
        })
    })
    return actions.join('').substring(0, actions.join('').length - 1);
}

// 字符串格式化(%s )
export function sprintf(str) {
    var args = arguments,
        flag = true,
        i = 1;
    str = str.replace(/%s/g, function() {
        var arg = args[i++];
        if (typeof arg === 'undefined') {
            flag = false;
            return '';
        }
        return arg;
    });
    return flag ? str : '';
}

// 转换字符串，undefined,null等转化为""
export function praseStrEmpty(str) {
    if (!str || str == "undefined" || str == "null") {
        return "";
    }
    return str;
}

// 数据合并
export function mergeRecursive(source, target) {
    for (var p in target) {
        try {
            if (target[p].constructor == Object) {
                source[p] = mergeRecursive(source[p], target[p]);
            } else {
                source[p] = target[p];
            }
        } catch (e) {
            source[p] = target[p];
        }
    }
    return source;
};

/**
 * 构造树型结构数据
 * @param {*} data 数据源
 * @param {*} id id字段 默认 'id'
 * @param {*} parentId 父节点字段 默认 'parentId'
 * @param {*} children 孩子节点字段 默认 'children'
 */
export function handleTree(data, id, parentId, children) {
    let config = {
        id: id || 'id',
        parentId: parentId || 'parentId',
        childrenList: children || 'children'
    };

    var childrenListMap = {};
    var nodeIds = {};
    var tree = [];

    for (let d of data) {
        let parentId = d[config.parentId];
        if (childrenListMap[parentId] == null) {
            childrenListMap[parentId] = [];
        }
        nodeIds[d[config.id]] = d;
        childrenListMap[parentId].push(d);
    }

    for (let d of data) {
        let parentId = d[config.parentId];
        if (nodeIds[parentId] == null) {
            tree.push(d);
        }
    }

    for (let t of tree) {
        adaptToChildrenList(t);
    }

    function adaptToChildrenList(o) {
        if (childrenListMap[o[config.id]] !== null) {
            o[config.childrenList] = childrenListMap[o[config.id]];
        }
        if (o[config.childrenList]) {
            for (let c of o[config.childrenList]) {
                adaptToChildrenList(c);
            }
        }
    }
    return tree;
}


//时间戳转日期
export function formatMsgTime(timespan) {

    var dateTime = new Date(timespan);

    var year = dateTime.getFullYear();
    var month = dateTime.getMonth() + 1;
    var day = dateTime.getDate();
    var timeSpanStr;
    timeSpanStr = year + '-' + (month < 10 ? ('0' + month) : month) + '-' + (day < 10 ? ('0' + day) : day);
    return timeSpanStr;
}

// //本月开始
// console.log(getMonth.getMonthStartDate());
// //本月结束
// console.log(getMonth.getMonthEndDate());
// //上月开始
// console.log(getMonth.getLastMonthStartDate());
// //上月结束
// console.log(getMonth.getLastMonthEndDate());
export function getMonthUtils() {
    var now = new Date(); //当前日期
    var nowMonth = now.getMonth(); //当前月
    var nowYear = now.getFullYear(); //当前年
    var lastMonthDate = new Date(); //上月日期
    lastMonthDate.setMonth(lastMonthDate.getMonth() - 1);
    var lastMonth = lastMonthDate.getMonth();

    //格式化日期：yyyy-MM-dd
    function formatDate(date) {
        var myyear = date.getFullYear();
        var mymonth = date.getMonth() + 1;
        var myweekday = date.getDate();
        if (mymonth < 10) {
            mymonth = "0" + mymonth;
        }
        if (myweekday < 10) {
            myweekday = "0" + myweekday;
        }
        return (myyear + "-" + mymonth + "-" + myweekday);
    }
    //获得某月的天数
    function getMonthDays(myMonth) {
        var monthStartDate = new Date(nowYear, myMonth, 1);
        var monthEndDate = new Date(nowYear, myMonth + 1, 1);
        var days = (monthEndDate - monthStartDate) / (1000 * 60 * 60 * 24);
        return days;
    }
    //获得本月的开始日期
    function getMonthStartDate() {
        var monthStartDate = new Date(nowYear, nowMonth, 1);
        return formatDate(monthStartDate);
    }
    //获得本月的结束日期
    function getMonthEndDate() {
        var monthStartDate = new Date(nowYear, nowMonth, getMonthDays(nowMonth));
        return formatDate(monthStartDate);
    }
    //获得上月开始时间
    function getLastMonthStartDate() {
        var lastMonthStartDate = new Date(nowYear, lastMonth, 1);
        return formatDate(lastMonthStartDate);
    }
    //获得上月结束时间
    function getLastMonthEndDate() {
        var lastMonthEndDate = new Date(nowYear, lastMonth, getMonthDays(lastMonth));
        return formatDate(lastMonthEndDate);
    }
    return {
        getMonthStartDate: getMonthStartDate,
        getMonthEndDate: getMonthEndDate,
        getLastMonthStartDate: getLastMonthStartDate,
        getLastMonthEndDate: getLastMonthEndDate
    }
}

// //上周的开始时间
// console.log(getWeek(7));
// //上周的结束时间
// console.log(getWeek(1));
// //本周的开始时间
// console.log(getWeek(0));
// //本周的结束时间
// console.log(getWeek(-6));
// //下周的开始时间
// console.log(getWeek(-7));
// //下周结束时间
// console.log(getWeek(-13));
export function getWeek(n) {
    var now = new Date();
    var year = now.getFullYear();
    var month = now.getMonth() + 1;
    var day = now.getDay(); //返回星期几的某一天;
    n = day == 0 ? n + 6 : n + (day - 1)
    now.setDate(now.getDate() - n);
    let date = now.getDate();
    var s = year + "-" + (month < 10 ? ('0' + month) : month) + "-" + (date < 10 ? ('0' + date) : date);
    return s;
}